#include <stdio.h>

typedef unsigned char *byte_pointer;

void show_bytes(byte_pointer start, size_t len) {
    size_t i;
    for(i=0; i<len; i++)
        printf(" %.2x", start[i]);
    printf("\n");
}

void show_int(int x) {
    show_bytes((byte_pointer) &x, sizeof(int)); 
}

void show_float(float x) {
    show_bytes((byte_pointer) &x, sizeof(float));
}

void show_pointer(void  *x) {
    show_bytes((byte_pointer) &x, sizeof(void *));
}

void test_show_bytes(int val) {
    int ival=val;
    float fval=(float)ival;
    int *pval=&ival;
    show_int(ival);
    show_float(fval);
    show_pointer(pval);
    int num = 1;
    if (ival&num == 1)
        printf("学号20165330的笔记本电脑是小端\n");
    else
        printf("学号20165330的笔记本电脑是大端\n");

}

void main() {
    int val;
    scanf("%d", &val);
    test_show_bytes(val);
}
